A 2022 national survey found that 13.5% of U.S. adults said they felt “very tired” or “exhausted” most days or every day over ...

The daily recommended dose of vitamin B12 is 2.4 micrograms. If you eat a well-balanced diet full of chicken, seafood or eggs, you'll receive this dosage through your diet. If you need a vitamin ...

Recommended daily intake: Adults aged 19 to 64 need about 1.5 micrograms a day of vitamin B12, says the NHS. Women aged 19-64 need ... your body can get a proper dose from the tablet.